51550166059 has 8 divisors (see below), whose sum is σ = 58915945440. Its totient is φ = 44184754176.

The previous prime is 51550166051. The next prime is 51550166077. The reversal of 51550166059 is 95066105515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51550166059 - 2³ = 51550166051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51550166051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351147 + ... + 475819.

It is an arithmetic number, because the mean of its divisors is an integer number (7364493180).

Almost surely, 2^51550166059 is an apocalyptic number.

51550166059 is a deficient number, since it is larger than the sum of its proper divisors (7365779381).

51550166059 is a wasteful number, since it uses less digits than its factorization.

51550166059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183749.

The product of its (nonzero) digits is 202500, while the sum is 43.

The spelling of 51550166059 in words is "fifty-one billion, five hundred fifty million, one hundred sixty-six thousand, fifty-nine".